Scythe Co., Ltd (Tokyo, Japan) announced the silent 4cm fan, Mini Kaze. Low noise is of course the standard feature of this fan, plus the versatile 2-pin to 3-pin connector is supplied to make this fan more useful. Possible usage of this fan is for replacing the default fan attached to chipset, external HDD case, and a removable case. This mini fan can further enhance your silent PC system to be more silent. The full specs of the Scythe Mini Kaze are here.Source: Scythe